MATRIX INTERIOR TUBES AND FLAP
THE NUMBER ONE TIRE INTERIOR SUPPLIER IN THE PHILIPPINES. SUPPLIER OF BRIDGESTONE AND GOODYEAR PHILIPPINES.
Location: 11, Yusan-Gongdan 11 Gil, Yangsan City, Kyoungnam, Korea.
DONG AH TIRE & RUBBER CO., LTD. is a Korea-based company mainly engaged in the manufacture of rubber goods for automobiles and other automobile components. The company’s products consist of tubes, including passenger car tubes, wide base tubes, low section height tubes, light truck tubes, off the road tubes, industrial tubes, curing tubes and others; tires, such as precured retread tires and hot cured retread tires; batteries, such as vehicle batteries, heavy-duty commercial batteries, marine batteries, storage batteries and others; carbon master batches (CMBs), which are used for automobile rubber parts and electronic components, and other automobile parts. The Company distributes its products within domestic market and to overseas markets.
Location: 11, Yusan-Gongdan 11 Gil, Yangsan City, Kyoungnam, Korea.
DONG AH TIRE & RUBBER CO., LTD. is a Korea-based company mainly engaged in the manufacture of rubber goods for automobiles and other automobile components. The company’s products consist of tubes, including passenger car tubes, wide base tubes, low section height tubes, light truck tubes, off the road tubes, industrial tubes, curing tubes and others; tires, such as precured retread tires and hot cured retread tires; batteries, such as vehicle batteries, heavy-duty commercial batteries, marine batteries, storage batteries and others; carbon master batches (CMBs), which are used for automobile rubber parts and electronic components, and other automobile parts. The Company distributes its products within domestic market and to overseas markets.
Inner Tube Valve Specifications
Understanding tire valves is crucial for maintaining proper tire pressure, ensuring safety, and enhancing vehicle performance. Tire valves control the flow of air in and out of the tire, making it essential to check them regularly for leaks or damage. Properly functioning valves help maintain optimal tire pressure, which improves fuel efficiency, extends tire lifespan, and ensures better traction and handling on the road. Neglecting tire valves can lead to slow air leaks, underinflated tires, and potential blowouts, compromising both safety and vehicle performance.
Understanding tire valves is crucial for maintaining proper tire pressure, ensuring safety, and enhancing vehicle performance. Tire valves control the flow of air in and out of the tire, making it essential to check them regularly for leaks or damage. Properly functioning valves help maintain optimal tire pressure, which improves fuel efficiency, extends tire lifespan, and ensures better traction and handling on the road. Neglecting tire valves can lead to slow air leaks, underinflated tires, and potential blowouts, compromising both safety and vehicle performance.
TR13 - Rubber valve designed primarily for passenger, front farm, and industrial tubes. For use with 0.445 inches/0.631 inches diameter rim holes. Available with nut or bushing for 0.618 inches/0.633 inches diameter rim holes.
TR15 - Rubber covered valve designed primarily for passenger, front farm, and industrial tube. For use with 0.618 inches/0.633 inches diameter rim holes.
TR300 - Rubber based valve for certain truck, bus, or trailer tubeless applications. For use with 0.618 inches/0.633 inches diameter rim holes.
JS2 - Rubber based metal stem value for industrial applications. For use with 0.445 inches/0.631 inches diameter rim holes and is generally best at 70 degrees
TR75A / TR78A / TR177 / TR179 - Rubber based metal valve used for light, medium, heavy truck, and some industrial applications. Valve is generally bent at 85 degrees.
TR218 / TR220 - Two piece air/liquid type valves for tractor drive wheel and road grader applications. TR218A Length 1.63 inches TR220A Length 2.00 inches
J1175C - Screw-on metal valve, fits on SP1000 or similar spud, for certain off the road applications. Valve is bent at 88 degrees.
TR15 - Rubber covered valve designed primarily for passenger, front farm, and industrial tube. For use with 0.618 inches/0.633 inches diameter rim holes.
TR300 - Rubber based valve for certain truck, bus, or trailer tubeless applications. For use with 0.618 inches/0.633 inches diameter rim holes.
JS2 - Rubber based metal stem value for industrial applications. For use with 0.445 inches/0.631 inches diameter rim holes and is generally best at 70 degrees
TR75A / TR78A / TR177 / TR179 - Rubber based metal valve used for light, medium, heavy truck, and some industrial applications. Valve is generally bent at 85 degrees.
TR218 / TR220 - Two piece air/liquid type valves for tractor drive wheel and road grader applications. TR218A Length 1.63 inches TR220A Length 2.00 inches
J1175C - Screw-on metal valve, fits on SP1000 or similar spud, for certain off the road applications. Valve is bent at 88 degrees.
| TIRE VALVE SPECIFICATIONS | |||
| VALVE # | HEIGHT (INCH) | BASE WIDTH (INCH) | STEM DIAMETER (INCH) |
| TR13 | 1.38 | 2.2 | 0.46 |
| TR15 | 1.38 | 2.2 | 0.65 |
| TR300 | 1.76 | 2.28 | 0.61 |
| JS2 | 1.02 | 2.2 | 1.31 |
| TR218A | 0.81 | 2.5 | 0.64 |
| TR220A | 1.18 | 2.5 | 0.64 |
| INNER TUBE VALVE SPECIFICATION (ST. LOUIS WHOLESALE TIRE) | |||
| TIRE VALVE SPECIFICATIONS | ||||
| VALVE # | FULL HEIGHT (INCH) | HEIGHT TO BEND (INCH) | BASE WIDTH (INCH) | STEM DIAMETER (INCH) |
| TR75A | 3.52 | 0.94 | 3.24 | 2.99 |
| TR78A | 5.75 | 0.94 | 3.24 | 5 |
| TR177A | 4.49 | 0.94 | 3.24 | 3.74 |
| TR179A | 6.3 | 0.94 | 3.24 | 5.55 |
| INNER TUBE VALVE SPECIFICATION (ST. LOUIS WHOLESALE TIRE) | ||||
| TIRE VALVE SPECIFICATIONS | |||
| VALVE # | HEIGHT TO BEND (INCH) | BEND TO TIP (INCH) | BASE WIDTH (INCH) |
| J1175C | 1.38 | 4.13 | 1.25 |
| INNER TUBE VALVE SPECIFICATION (ST. LOUIS WHOLESALE TIRE) | |||
| MATRIX TUBE | ||||
| SIZE | VALVE | PCS/BOX | APPLICATION | |
| 4.00-8 | TR13 | 40 | 4.00-8 | |
| E-10 | TR13 | 40 | 4.80/5.00/5.20-10 | |
| F-10 | TR13 | 40 | 5.20/5.50/6.00-10 | |
| D-12 | TR13 | 40 | 4.00/4.50/5.00-12 | |
| F-12 | TR13 | 35 | 5.60/6.00-12 | |
| F-13 | TR13 | 30 | 5.60/5.90-13 | 155/165-13 |
| G-13 | TR13 | 30 | 6.00/6.40/6.50-13 | 175-13 |
| G-14 | TR13 | 25 | 6.00/6.40/6.50-14 | 175/185-14 |
| K-14 | TR13 | 25 | 7.00/7.50-14 | 195/205-14 |
| G-15 | TR13 | 25 | 6.00/6.50/6.70-15 | 175/185-15 |
| K-15 | TR13 | 22 | 7.00/8.15-15 | 195/205-15 |
| MR15 | TR13 | 20 | 215R15 to 265/70R15 to 275/70R15 | |
| 31X10.5R15 | TR13 | 14 | 31x10.5R15 to 33x12.5R15 | |
| G-16 | TR13 | 25 | 6.00/6.50-16 | 175/185-16 |
| K-16 | TR13 | 20 | 7.00-16 | 195/205-16 |
| MR16 | TR13 | 18 | 215R16 to 245/70R16 to 265/70R16 to 275/70R16 | |
| 245/70R16 | TR13 | 18 | 245/70R16 to 265/70R16 to 275/70R16 | |
| MATRIX TUBE SPECIFICATION (SUBJECT TO CHANGE WITHOUT NOTICE) | ||||
| MATRIX TUBE | |||
| SIZE | VALVE | PCS/BOX | APPLICATION |
| 5.00/6.00-15 | TR75A | 18 | 5.00/6.00-15 |
| 6.50/7.00-15 | TR75A | 18 | 6.50/7.00-15 |
| 7.00-15 | TR75A | 18 | 7.00-15 |
| 7.00/7.50-15 | TR75A | 18 | 7.00/7.50-15 |
| 7.50-15 | TR75A | 16 | 7.50-15 |
| 6.50/7.00-16 | TR75A | 18 | 6.50/7.00-16 |
| 7.00-16 | TR75A | 16 | 7.00-16 |
| 7.00/7.50-16 | TR177A | 16 | 7.00/7.50-16 |
| 7.50-16 | TR177A | 16 | 7.50-16 |
| 7.50/8.25-16 | TR177A | 16 | 7.50/8.25-16 |
| 8.25-16 | TR177A | 12 | 8.25-16 |
| 9.00-16 | TR177A | 12 | 9.00-16 |
| 7.50-20 | TR177A | 16 | 7.50-20 |
| 8.25-20 | TR177A | 10 | 8.25-20 |
| 9.00-20 | TR78A | 9 | 9.00-20 |
| 9.00/10.00-20 | TR78A | 9 | 9.00/10.00-20 |
| 10.00-20 | TR78A | 7 | 10.00-20 |
| 10.00/11.00-20 | TR78A | 7 | 10.00-20 |
| 11.00-20 | TR78A | 6 | 11.00-20 |
| 12.00-20 | TR78A | 5 | 12.00-20 |
| 13/14.00-20 | TR78A/TR220A | 4 | 13/14.00-20 |
| 14.00-20 | TR78A | 5 | 14.00-20 |
| MATRIX TUBE SPECIFICATION (SUBJECT TO CHANGE WITHOUT NOTICE) | |||
| MATRIX TUBE | ||||
| SIZE | VALVE | PCS/BOX | APPLICATION | |
| 8.5/9.5R17.5 | TR75A | 14 | 8.5/9.5R17.5 | 215/225/235/75R17.5 |
| 9/10.5R19.5 | TR177A | 14 | 9/10.5R19.5 | 225/245/265/70R19.5 |
| 10.00R20 | TR78A | 7 | 10.00R20 | |
| 11.00R20 | TR78A | 6 | 11.00R20 | |
| 12.00R20 | TR78A | 5 | 12.00R20 | |
| 12.00R24 | TR78A | 4 | 12.00R24 | |
| 9/10R22.5 | TR78A | 9 | 9/10R22.5 | 225/255/70R22.5 |
| 11/12R22.5 | TR78A | 7 | 11/12R22.5 | 295/80R22.5 |
| 12R22.5 | TR78A | 6 | 12R22.5 | |
| 315/80R22.5 | TR78A | 5 | 13R22.5; 15-22.5 | 31580R22.5 |
| 11R24.5 | TR78A | 5 | 11R24.5 | 285/75R24.5 |
| 16X6-8 | TR13 | 30 | 16X6-8; 16X6.5-8 | |
| 18X7-8 | JS2 | 30 | 18X7-8 | |
| 18X8.5-8 | TR13 | 20 | 18X8.5-8; 18X9.5-8 | |
| 4.00-8 | JS2 | 40 | 4.00-8 | |
| 5.00-8 | JS2 | 35 | 5.00-8 | |
| 21X8-9 | JS2 | 20 | 21X8-9 | |
| 6.00-9 | JS2 | 30 | 6.00-9 | |
| 23X9-10 | JS2 | 16 | 23X9-10 | |
| 6.50-10 | JS2 | 25 | 6.50-10 | |
| MATRIX TUBE SPECIFICATION (SUBJECT TO CHANGE WITHOUT NOTICE) | ||||
| MATRIX TUBE | ||||
| SIZE | VALVE | PCS/BOX | APPLICATION | |
| 23X8.5-12 | TR13 | 20 | 23X8.5-12 | |
| 23X10.5-12 | TR15 | 20 | 23X10.5-12 | |
| 26X12-12 | TR15 | 15 | 26X12-12 | |
| 27X10-12 | JS2 | 15 | 27X10-12 | |
| 7.00-12 | TR75A | 20 | 7.00-12 | |
| 10.0/80-12 | TR13 | 15 | 10.0/80-12 | |
| 2.50-15 | TR75A | 16 | 2.50-15 | |
| 27X8.50-15 | TR218A | 16 | 27X8.50-15 | |
| 27X10.50-15 | TR15 | 16 | 27X10.50-15 | |
| 29X12.5-15 | TR15 | 12 | 29X12.5-15 | |
| 3.00-15 | TR75A | 14 | 3.00-15 | |
| 31X15.5-15 | TR15 | 10 | 31X15.5-15 | |
| 32X12.1-15 | TR75A | 8 | 32X12.1-15 | |
| 8.15-15 | TR75A | 16 | 8.15-15 | |
| 8.25/28X9-15 | TR75A | 16 | 8.25/28X9-15 | |
| 10.00-15 | TR75A | 10 | 10.00-15 | |
| 10.00/75-15.3 | TR15 | 14 | 10.00/75-15.3 | |
| 11.5/80-15.3 | TR15 | 12 | 11.5/80-15.3 | |
| 400/60-15.5 | TR15 | 8 | 400/60-15.5 | |
| MATRIX TUBE SPECIFICATION (SUBJECT TO CHANGE WITHOUT NOTICE) | ||||
| MATRIX TUBE | ||||
| SIZE | VALVE | PCS/BOX | APPLICATION | |
| 8-16 | TR15 | 20 | 8-16 | |
| 10.00/11.00-16 | TR15 | 10 | 10.00/11.00-16 | |
| 12.5/70-16 | TR15 | 8 | 12.5/70-16 | |
| 20.5/70-16 | TR218A/TR177A | 7 | 20.5/70-16 | |
| 10-16.5 | TR15 | 12 | 10-16.5 | |
| 12-16.5 | TR218A | 10 | 12-16.5 | |
| 14-17.5 | TR300 | 9 | 14-17.5 | |
| 7.50-18 | TR15 | 14 | 7.50-18 | |
| 8.00-18 | TR15 | 10 | 8.00-18 | |
| 10.5/80-18 | TR15 | 10 | 10.5/80-18; 10.5-18 | |
| 12.5/80-18 | TR15 | 8 | 12.5/80-18; 12.5-18 | |
| 13.0/65-18 | TR15 | 8 | 13.0/65-18 | |
| 15.5/60-18 | TR15 | 6 | 15.5/60-18; 15.5/70-18 | |
| 15-19.5 | TR300 | 6 | 15-19.5; 18-19.5 | |
| 18-19.5 | TR78A | 6 | 15-19.5; 18-19.5 | |
| 8.3-20 | TR218A | 12 | 8.3-20; 9.5-20 | |
| 12.5-20 | TR218A | 7 | 12.5-20 | |
| 14.5-20 | TR218A | 6 | 14.5-20 | |
| 14/70-20 | TR179A | 7 | 14/70-20 | |
| 16/70-20 | TR78A | 5 | 16/70-20 | 405/70-20 |
| 17.5/65-20 | TR218A | 5 | 17.5/65-20 | |
| MATRIX TUBE SPECIFICATION (SUBJECT TO CHANGE WITHOUT NOTICE) | ||||
| MATRIX TUBE | ||||
| SIZE | VALVE | PCS/BOX | APPLICATION | |
| 4.00/55-22.5 | TR218A | 4 | 4.00/55-22.5; 4.00/60R22.5 | |
| 5.00/60-22.5 | TR218A | 2 | 5.00/60-22.5; 5.50/60R22.5 | |
| 8.3/9.5-22 | TR218A | 12 | 8.3/9.5-22 | |
| 8.3-24 | TR218A | 12 | 8.3-24 | |
| 9.5/9-24 | TR218A | 10 | 9.5/9-24 | |
| 11.2/10-24 | TR218A | 7 | 11.2/10-24 | |
| 12.4/11-24 | TR218A | 7 | 12.4/11-24 | |
| 13.6-24 | TR218A | 6 | 13.6-24 | |
| 14.9-24 | TR218A | 5 | 14.9-24 | |
| 16.9/14-24 | TR218A | 4 | 16.9/14-24 | |
| 17.5L-24 | TR218A | 3 | 17.5L-24 | |
| 18.4/15-24 | TR218A | 4 | 18.4/15-24 | |
| 19.5L-24 | TR218A | 4 | 19.5L-24 | |
| 340/85R24 | TR218A | 6 | 340/85R24 | |
| 380/70R24 | TR218A | 5 | 380/70R24; 380/85R24 | |
| 420/70R24 | TR218A | 5 | 420/70R24; 420/85R224 | |
| 12.00-24 | TR78A | 5 | 12.00-24 | |
| 13/14.00-24 | TR179A | 5 | 13/14.00-24 | |
| 14.00-24 | TR179A | 4 | 14.00-24/25 | |
| 14.00-24/25 | TR179A | 4 | 14.00-24/25 | |
| 16.00-24/25 | TRJ1175C | 3 | 16.00-24 | |
| 16/70-24 | TR218A | 4 | 16/70-24 | 405/70-24 |
| MATRIX TUBE SPECIFICATION (SUBJECT TO CHANGE WITHOUT NOTICE) | ||||
| MATRIX TUBE | |||
| SIZE | VALVE | PCS/BOX | APPLICATION |
| 14.00R25 | TR78A | 4 | 14.00R25 |
| 15.5-25 | TRJ1175C | 4 | 15.5-25 |
| 16.00-25 | TRJ1175C | 3 | 16.00-25 |
| 17.5-25 | TRJ1175C | 3 | 17.5-25 |
| 18.00-25 | TRJ1175C | 2 | 18.00-25 |
| 20.5-25 | TRJ1175C | 2 | 20.5-25 |
| 23.5-25 | TRJ1175C | 2 | 23.5-25 |
| 26.5-25 | TRJ1175C | 1 | 26.5-25 |
| 20.5R25 | TRJ1175C | 2 | PREMIUM 20.5R25 |
| 23.5R25 | TRJ1175C | 2 | PREMIUM 23.5R25 |
| 29.5-25 | TRJ1175C | 1 | 29.5-25 |
| 29.5-29 | TRJ1175C | 1 | 29.5-29 |
| 18.00-33 | TRJ1175C | 1 | 18.00-33 |
| 14.9-26 | TR218A | 5 | 14.9-26 |
| 18.4-26 | TR218A | 3 | 18.4-26 |
| 23.1/18-26 | TR218A | 2 | 23.1/18-26 |
| 12.4-28 | TR218A | 6 | 12.4-28 |
| 13.6/12-28 | TR218A | 5 | 13.6/12-28 |
| 14.9/13-28 | TR218A | 5 | 14.9/13-28 |
| 16.9-28 | TR218A | 3 | 16.9-28 |
| 18.4-28 | TR218A | 3 | 18.4-28 |
| 340/85R28 | TR218A | 5 | 340/85R28 |
| 480/70R28 | TR218A | 3 | 480/70R28 |
| 600/65R28 | TR218A | 2 | 600/65R28; 600/70R28 |
| MATRIX TUBE SPECIFICATION (SUBJECT TO CHANGE WITHOUT NOTICE) | |||
| MATRIX TUBE | |||
| SIZE | VALVE | PCS/BOX | APPLICATION |
| 16.9-30/14-30 | TR218A | 3 | 16.9-30/14-30 |
| 18.4/15-30 | TR218A | 3 | 18.4/15-30 |
| 460/85R30 | TR218A | 3 | 460/85R30 |
| 16.9/14-34 | TR218A | 3 | 16.9/14-34 |
| 18.4/15-34 | TR218A | 2 | 18.4/15-34 |
| 340/85R34 | TR218A | 4 | 340/85R34 |
| 420/85R34 | TR218A | 3 | 420/85R34 |
| 12.4-36 | TR218A | 4 | 12.4-36 |
| 13.6/12-38 | TR218A | 4 | 13.6/12-38 |
| 15.5-38 | TR218A | 4 | 15.5-38 |
| 16.9/14-38 | TR218A | 3 | 16.9/14-38 |
| 18.4/15-38 | TR218A | 2 | 18.4/15-38 |
| 20.8-38 | TR218A | 2 | 20.8-38 |
| 420/85R38 | TR218A | 3 | 420/85R38 |
| 480/70R38 | TR218A | 3 | 480/70R38; 480/80R38 |
| 580/70R38 | TR218A | 2 | 580/70R38 |
| 710/70R38 | TR218A | 3 | 710/70R38 |
| 520/85R42 | TR218A | 2 | PREMIUM 520/85R42 |
| MATRIX TUBE SPECIFICATION (SUBJECT TO CHANGE WITHOUT NOTICE) | |||
| MATRIX FLAP | |||
| SIZE | VALVE (MM) | PCS/BOX | APPLICATION |
| 5.00-8 | 118 | 12 | 5.00-8 |
| 6.00-9 | 118 | 12 | 6.00-9 |
| 6.50/7.50-10 | 147 | 12 | 6.50/7.50-10 |
| 7.00-12 | 144 | 12 | 7.00-12 |
| 15L | 165 | 12 | 6.50/7.00/7.50/8.25 R15 |
| 2.50/3.00-15 | - | 12 | |
| 8.15/8.25-15 | 187 | 12 | |
| 10.00-15 | 210 | 10 | 9.00/10.00/11.00 R15 |
| 16N | 170 | 10 | 6.50/7.00/7.50/8.25 R16 |
| 9.00-16 | 180 | 10 | 8.25/9.00 R16 |
| 20M | 202 | 10 | 8.25/9.00 R20 |
| 20RY | 208 | 10 | 10.00/11.00/12.00 R20 |
| 12.00-20 | 210 | 10 | 11.00/12.00 R20 |
| 14.00-20 | 250 | 8 | 13.00/14.00/16.00-20 |
| 16.00-20 | 300 | 5 | 16.00 R20/21 |
| 12.00-24 | 230 | 6 | 10.00/11.00/12.00 R24 |
| 13.00/14.00-24 | 282 | 5 | 13.00/14.00-24.25 |
| 16.00-24 | 290 | 5 | 16.00 R24/25 |
| 15.5/17.5-25 | 286 | 5 | 15.5/17.5-25 / 18.00-24.25 |
| 16.00-25 | 290 | 5 | 16.00 R24/25 |
| 17.5-25 | 336 | 5 | 15.5/17.5-25 / 18.00-24.25 |
| 18.00-25 | 336 | 5 | 15.5/17.5-25 / 18.00-24.25 |
| 20.5-25 | 450 | 3 | 20.5-25 |
| 23.5-25 | 495 | 3 | 23.5-25 |
| 26.5-25 | 590 | 2 | 26.5-25 |
| MATRIX FLAP SPECIFICATION (SUBJECT TO CHANGE WITHOUT NOTICE) | |||